rapid grating final · 2016. 1. 20. · standard australian pedestrian platform 4 kpa british...

RAPID

GRATING

As a proudly Australian owned company, Rapid Pacifi c Group are your reliable manufacturer and supplier of various walkway fl ooring products utilised to create mezzanine fl oors, access platforms, roof access walkways, conveyor walkways, step treads and fl ooring in corrosive locations.

THE VARIOUS USES OF RAPID GRATING

Rapid Grating is used in power plants, petrochemical facilities, mining operations, industrial construction, ship building, paper mills transportation (highway and rails), waste water treatment plants, metallurgical plants, communication facilities, commercial facilities and other commercial, industrial and infrastructure projects.

UNSURE WHICH FLOORING PRODUCT IS RIGHT FOR YOUR PROJECT?

With over 56 combined years of experience, the team at Rapid Pacifi c Group are your dependable partner when it comes to fi nding the right product for you.

Contact our experienced team to discuss your requirements.

CONTENTS

Introduction ......................................................... 2

Economical Design / Layout ................................. 3

Specifying Rapid Grating ...................................... 4

R30 Profi le ........................................................... 5

R40 Profi le .......................................................... 6

R60B Profi le ......................................................... 7

Step Treads .......................................................... 8

Additional Options ............................................... 9

Drain Grates ......................................................... 10

Accessories .......................................................... 11

Fibreglass Grating ................................................. 12

Fibreglass Step Treads .......................................... 13

Tolerances ............................................................ 14

Load Bar Spacings Chart ....................................... 15

GRATING

2

RAPID PACIFIC GROUP

3

RAPIDS QUALITY AND ASSURANCE GUARANTEED FROM QUOTE TO SUPPLY

By sending through your fl oor plan, Rapid Pacifi c Groups experienced estimating team will provide you with a detailed marking plan and panel drawings for your fi nal approval. Our team is committed to working closely with you on every project regardless of size to ensure we off er you the most economical layout and in turn saving you time and money.

ORDER EXAMPLE

One platform – 2000mm Load BarSpan x 5380mm Wide

The illustration shows a typical layout. The platform is split up into standard stock panel widths of 995mm, plus a cut and joined end panel with the width taken to the nearest load bar to match the required dimension.

Note: Make-up panels of less than 400mm width will be welded to the adjacent panel.

DESIGN CRITERIA

All safe load tables were calculated in accordance with the following criteria:

1. Loading Code AS1170-1 (load combination 1.25 x dead load and 1.5 x live load).

2. Steel Structures Code AS4100.

3. Mass calculated on untreated and un-edged grating.

4. Minimum yield strength of steel 260 MPa

5. Load calculated with allowable bending stress of 171.6 MPa (0.66 Fy)

6. Load bars assumed to be simply supported and unserrated.

7. Spans based on maximum 5mm defl ection, which is a limiting defl ection for pedestrian comfort.

LET RAPID PACIFIC GROUP DO THE HARD WORK FOR YOU

Customer layout

Marking plan

4

GRATING

WHAT IS RAPID GRATING?

Rapid Pacifi c Group grating consists of load bearing bars in various depths and thicknesses with lateral restraint provided by 6mm square twisted cross bars forge welded to the upper edges of the load bearing bars. This produces a product of one piece construction with a high strength to weight ratio which meets the requirements of Australian Standard AS1657.

How to specify Rapid Grating profi les:

When ordering, use the code break up below to detail your chosen grating profi le:

Part No. descriptionR = Rapid Grating30 = Load Bar PitchA = 100mm Cross Bar Pitch (B = 50mm)203 = Bar Size (20 x 3)M = Mild SteelP = Plain (S = Serrated)U = UntreatedG = Galvanised

Rapid can supply grating in standard and fabricated panels or customised to project specifi cations, ready for immediate installation.

Rapid Grating is available in either a plain surface for standard applications or serrated, often utilised when a higher slip resistance is required.

Plain: Standard Rapid grating has a plain edge load bar and twisted cross rods.

Serrated: Rapid grating is also available in serrated edge bar for enhanced anti-slip properties.

Note: serrated load bars are not available for 20mm deep grating.

For sloping walkways 10mm x 10mm square bar can also be welded on the top of the grating to meet requirements of AS1657. See page 9.

5

RAPID PACIFIC GROUP

R30 PROFILEWHEN TO USE R30

� R30 can be utilised in projects that require a high load-carrying capacity.

� Walkway Safety: When choosing this product for your project consider using serrated for areas that require superior walkway safety.

� High impact load: To ensure this product meets your high impact load requirements utilising profi le with cross bars at 50mm centres is favourable.

TYPICAL APPLICATION LOADINGSConveyor walkways, light access platforms 2.5 kPaStandard Australian pedestrian platform 4 kPaBritish standard pedestrian platform 5 kPaBoiler house platform (eg. Power stations) 7.5 kPa

QUICK SELECTION CHART Rapid Grating Type Maximum Span (mm) for various loads with 5.00mm defl ection 2.5 kPa 4.0 kPa 5.0 kPa 7.5 kPaR30A-203 / R30B-203 1190 1055 1010 905R30A-205 / R30B-205 1355 1210 1155 1040R30A-253 / R30B-253 1430 1265 1195 1060R30A-255 / R30B-255 1610 1435 1350 1225R30A-323 / R30B-323 1740 1616 1440 1306R30A-325 / R30B-325 1940 1720 1630 1480R30A-403 / R30B-403 2020 1790 1695 1530R30A-405 / R30B-405 2290 2035 1936 1746R30A-455 / R30B-455 2450 2226 2100 1905R30A-505 / R30B-505 2700 2400 2280 2060R30A-555 /R30B-555 2900 2680 2440 2210R30A-655 / R30B-655 3255 2930 2770 2606R30A-756 3830 3400 3220 2900

100mm CROSSBAR CENTERS

30 L

OA

DBA

R C

ENTE

RS


30 L

OA

DBA

R C

ENTE

RS

Note: for galvanised fabricated grating add 12% to mass

Spans (mm) 300 450 600 750 900 1050 1200 1350 1500 1650 1800 1950 2100 2400 2700

R30A-203 100 18.8 20X3 U 101 46 25.4 15.96 7.69 4.13 NOT RECR30B-203 50 21.8 D 0.8 1.8 3.22 5 5 5

R30A-205 100 29.5 20X5 U 169.3 75.31 42.35 26.94 13 7 4.09 NOT RECR30B-205 50 32.5 D 0.8 1.8 3.22 5 5 5 5

R30A-253 100 22.8 25X3 U 158.7 70.6 39.74 25.44 15.26 8.24 4.84 0.876R30B-253 50 25.8 D 0.64 1.45 2.57 4.02 5 5 5 R30A-255 100 36.2 25X5 U 264.6 117.5 66.4 42.36 25.3 13.7 8.02 5.02 0.876R30B-255 50 39.2 D 0.64 1.45 2.57 4.02 5 5 5 5 R30A-323 100 28.4 32X3 U 260.4 115.6 65.09 41.64 28.93 17.24 10.12 6.32 4.13 0.902R30B-323 50 31.4 D 0.5 1.13 2.01 3.14 4.52 5 5 5 5 R30A-325 100 45.5 32X5 U 433.9 192.7 108.3 69.43 48.22 28.74 16.85 10.51 6.92 4.72 0.902R30B-325 50 48.5 D 0.5 1.13 2.01 3.14 4.52 5 5 5 5 5 R30A-403 100 34.9 40X3 U 406.6 180.6 101.6 65.07 45.1 33.1 19.72 12.33 8.07 5.51 0.922R30B-403 50 37.9 D 0.4 0.9 1.61 2.51 3.62 4.93 5 5 5 5 R30A-405 100 56.2 40X5 U 677.8 301.2 169.3 108.3 75.33 55.33 32.88 20.55 13.48 9.2 6.4 4.71 0.922R30B-405 50 59.2 D 0.4 0.9 1.61 2.51 3.62 4.93 5 5 5 5 5 5 R30A-455 100 62.9 45X5 U 858 381.2 214.4 137.1 95.2 70.03 46.86 29.25 19.2 13.1 9.24 6.73 4.98 0.93R30B-455 50 65.9 D 0.36 0.8 1.43 2.23 3.22 4.38 5 5 5 5 5 5 5 R30A-505 100 69.6 50X5 U 1059 470.6 264.7 169.3 117.6 86.46 64.26 40.12 26.34 17.99 12.6 9.21 6.84 4.02 0.937R30B-505 50 72.6 D 0.32 0.72 1.29 2.01 2.9 3.94 5 5 5 5 5 5 5 5 R30A-555 100 76.2 55X5 U 1281 569.5 320.5 205 142.3 104.5 80.12 53.44 35.05 23.94 16.8 12.26 9.11 5.33 0.943R30B-555 50 79.2 D 0.29 0.66 1.17 1.83 2.63 3.58 4.68 5 5 5 5 5 5 5 R30A-655 100 89.6 65X5 U 1790 795.6 447.4 286.3 198.8 146.1 111.7 88.21 57.83 40.74 27.9 20.24 15.04 8.81 5.51 0.951R30B-655 50 92.9 D 0.25 0.56 0.99 1.55 2.23 3.03 3.96 5 5 5 5 5 5 5 5R30A-756 100 122.9 75X6 U 2750 1200 650 400 300 225 150 110 75 60 51.3 37.32 27.75 16.26 10.15 N/A

D 0.21 0.46 0.78 1.17 1.82 2.53 2.88 3.38 3.52 4.12 5 5 5 5 5

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SAFE LOAD & DEFLECTION TABLE

U = Safe uniformly distributed load in kPa (or kN/m2)

D = Defl ection (mm) at mid-span caused by U

Spans shown have maximum 5mm defl ection, which is limiting defl ection for perdestrian comfort

6

GRATING

WHEN TO USE R40

� Perfect for use as conveyor walkways, mezzanine fl oors and walkways.

� An economical choice when price is a priority

� Load bars spaced further apart giving you a lighter alternative to other profi les without severely compromising strength.

� Walkway Safety: When choosing this product for your project consider using serrated for areas that require superior walkway safety.


R40 PROFILE

40 L

OA

DBA

R C

ENTE

RS


40 L

OA

DBA

R C

ENTE

RS


QUICK SELECTION CHART Rapid Grating Type Maximum Span (mm) for various loads with 5.00mm defl ection 2.5 kPa 4.0 kPa 5.0 kPa 7.5 kPaR40A-203 / R40B-203 1120 1000 945 860R40A-205 / R40B-205 1290 1140 1065 975R40A-253 / R40B-253 1320 1180 1125 1010R40A-255 / R40B-255 1490 1335 1265 1150R40A-323 / R40B-323 1600 1420 1340 1200R40A-325 / R40B-325 1790 1600 1510 1375R40A-403 / R40B-403 1880 1685 1580 1435R40A-405 / R40B-405 2115 1900 1790 1620R40A-455 / R40B-455 2315 2070 1950 1770R40A-505 / R40B-505 2610 2230 2110 1920R40A-555 / R40B-555 2690 2400 2250 2060R40A-655 / R40B-655 3045 2720 2560 2315

Spans (mm) 300 450 600 750 900 1050 1200 1350 1500 1650 1800 1950 2100 2400 2700

R40A-203 100 14.6 20X3 U 76.84 34.05 19.23 12.13 5.81 NOT RECR40B-203 50 17.6 D 0.8 1.81 3.22 5 5

R40A-205 100 22.5 20X5 U 127.12 56.46 31.75 20.23 9.72 5.23 NOT RECR40B-205 50 25.5 D 0.8 1.81 3.22 5 5 5

R40A-253 100 17.5 25X3 U 119.1 52.94 29.9 19.04 11.3 6.14 0.876R40B-253 50 20.5 D 0.64 1.45 2.57 4.02 5 5 R40A-255 100 27.4 25X5 U 198.52 88.25 49.63 31.75 19.03 10.26 6.01 0.876R40B-255 50 30.4 D 0.64 1.45 2.57 4.02 5 5 5 R40A-323 100 21.7 32X3 U 195.11 86.75 48.81 31.22 21.66 12.93 7.56 4.71 0.902R40B-323 50 24.7 D 0.5 1.13 2.01 3.14 4.52 5 5 5 R40A-325 100 34.2 32X5 U 325.1 144.91 81.33 52.03 36.15 21.53 12.63 7.87 5.15 0.902R40B-325 50 37.2 D 0.5 1.13 2.01 3.14 4.52 5 5 5 5 R40A-403 100 26.4 40X3 U 305 135.3 76.25 48.81 33.87 24.6 14.82 9.22 6.04 4.12 0.922R40B-403 50 29.4 D 0.4 0.9 1.61 2.51 3.62 4.93 5 5 5 5 R40A-405 100 42.1 40X5 U 508.3 225.8 127.1 81.34 56.48 41.5 24.5 15.39 9.61 6.9 4.85 0.922R40B-405 50 45.1 D 0.4 0.9 1.61 2.51 3.62 4.93 5 5 5 5 5 R40A-455 100 47 45X5 U 643.3 285.8 160.7 102.8 71.4 52.52 35.14 21.92 14.38 9.81 6.93 5.03 0.93R40B-455 50 50 D 0.36 0.8 1.43 2.23 3.2 4.38 5 5 5 5 5 5 R40A-505 100 51.9 50X5 U 794.4 353 198.4 127.2 88.26 64.84 48.18 30.06 19.74 13.47 9.51 6.8 5.12 0.937R40B-505 50 54.9 D 0.32 0.72 1.29 2.01 2.9 3.94 5 5 5 5 5 5 5 R40A-555 100 56.8 55X5 U 961.3 427.2 240.1 153.6 106.7 78.45 60.05 40.07 22.7 17.95 12.65 9.1 6.82 4 0.943R40B-555 50 59.8 D 0.29 0.66 1.17 1.83 2.63 3.58 4.68 5 5 5 5 5 5 5 R40A-655 100 66.6 65X5 U 1342 596.5 335.4 214.6 149.2 109.4 83.92 66.15 43.35 29.61 20.92 15.17 11.27 6.2 4.12 0.951R40B-655 50 69.6 D 0.25 0.56 0.99 1.55 2.23 3.03 3.96 5 5 5 5 5 5 5 5

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7

RAPID PACIFIC GROUP

WHEN TO USE R60B

� Large openings make this profi le the ideal fl ooring for areas where material spillage build up is a concern.

� Load bars spaced further apart giving you a lighter alternative to other profi les however not suitable for high impact loads.

� Walkway Safety: When choosing this product for your project, consider using serrated for areas that require superior walkway safety.


R60B PROFILE

60 L

OA

DBA

R C

ENTE

RS


QUICK SELECTION CHART Rapid Grating Type Maximum Span (mm) for various loads with 5.00mm defl ection 2.5 kPa 4.0 kPa 5.0 kPa 7.5 kPaR60B-205 1140 1020 965 875R60B-253 1185 1050 1005 895R60B-255 1375 1195 1140 1030R60B-323 1420 1275 1195 1085R60B-325 1640 1445 1355 1230R60B-403 1700 1495 1420 1285R60B-405 1925 1700 1615 1460R60B-455 2070 1860 1760 1590R60B-505 2220 2010 1900 1720R60B-555 2420 2130 2040 1845R60B-655 2745 2445 2330 2090



Spans (mm) 300 450 600 750 900 1050 1200 1350 1500 1650 1800 1950 2100 2400 2700

R60B-205 50 19 20X5 U 81.97 36.44 20.5 13.03 6.28 NOT RECD 0.8 1.82 3.23 5 5

R60B-253 50 15.7 25X3 U 76.8 34.17 19.21 12.2 7.36 3.96 0.876D 0.64 1.45 2.57 4.02 5 5

R60B-255 50 22.3 25X5 U 128.2 56.95 32.03 20.4 12.3 6.62 0.876D 0.64 1.45 2.57 4.02 5 5

R60B-323 50 18.5 32X3 U 125.8 55.98 31.48 20.14 13.98 8.33 4.88 0.902D 0.5 1.13 2.01 3.14 4.52 5 5

R60B-325 50 27 32X5 U 209.9 93.32 52.45 33.58 23.32 13.92 8.15 5.08 0.902D 0.5 1.13 2.01 3.14 4.52 5 5 5

R60B-403 50 21.7 40X3 U 196.8 87.44 49.21 31.48 21.86 16.05 9.53 5.96 0.922D 0.4 0.9 1.61 2.51 3.62 4.93 5 5

R60B-405 50 32.3 40X5 U 328.1 145.8 81.97 52.45 36.44 26.77 15.9 9.94 6.51 4.44 0.922D 0.4 0.9 1.61 2.51 3.62 4.93 5 5 5 5

R60B-455 50 35.7 45X5 U 415.2 184.5 103.8 66.4 46.11 33.88 22.67 14.15 9.27 6.33 4.46 0.93D 0.36 0.8 1.43 2.23 3.22 4.38 5 5 5 5 5

R60B-505 50 39 50X5 U 512.5 227.7 128.1 81.96 56.94 41.83 31.2 19.41 12.74 8.7 6.13 4.45 0.937D 0.32 0.72 1.29 2.01 2.9 3.94 5 5 5 5 5 5

R60B-555 50 42.4 55X5 U 620 245.4 155 99.22 68.92 50.62 38.75 25.84 19.67 11.56 8.15 5.91 4.4 0.943D 0.29 0.66 1.17 1.83 2.63 3.58 4.68 5 5 5 5 5 5

R60B-655 50 49 65X5 U 866.4 385 216.4 138.5 96.25 70.72 54.12 42.68 27.98 19.71 13.5 9.8 7.27 4.25 0.951D 0.25 0.56 0.99 1.55 2.23 3.03 3.96 5 5 5 5 5 5 5

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8

GRATING

WHEN ORDERING STEP TREADS THE FOLLOWING INFORMATION IS REQUIRED

� Grating type and load bar surface e.g R30A-325 SERRATED

� Tread size e.g 750 x 215mm

� Bolt in or Weld in treads?

� Nosing type required

� Quantity of treads required

� Material fi nish e.g Galvanised or mill fi nish

T3 Welding Fixing - fl oor plate nosing

T1 Welding Fixing - no nosing

T5 Welding Fixing - abrasive nosing

T4 Bolted Fixing - fl oor plate nosing

T2 Bolted Fixing - no nosing

T6 Bolted Fixing - abrasive nosing

Nosing options can be retrofi tted to grating star treads, as below:

RECOMMENDED MAXIMUM LENGTHLoad Bar Size 25 x 5 32 x 5 40 x 5Series 30 900 1300 1600Series 40 750 1200 1500Series 60 500 800 1300

RECOMMENDED STANDARD WIDTHSDim ‘A’ Hole Centres 45 75 75 100 100 100 100Series 30 T2 - T8 125 155 185 215 245 275 305Series 40 T2 - T8 125 165 205 245 285 325Series 60 T2 - T8 125 185 245 305

STEP TREADS

25 25DIM A

5MM PLATEØ14 HOLES

75 60

15

WIDTH VARIES

40mm GRATING ENDPLATE

25 25DIM A

5MM PLATEØ14 HOLES65

5015

WIDTH VARIES

25 & 32mm GRATING ENDPLATE

9

ADDITIONAL OPTIONS

RAPID PACIFIC GROUP

Rapid Grating can also be supplied with fl attened expanded metal welded to the underside to prevent tools and small objects falling through

How to order:1. Select your Rapid Grating. 2. Decide on material type, and fi nish/coating if required. 3. Select a required expanded mesh profi le. The most common profi le is EX1220F (Flattened).

Rapid Grating can be off ered with 10x10sq bar welded at 300mm centres (nominal). This is ideal on walkways, with an incline of 7 degrees or greater as it will reduce the chance of slipping. This option is also benefi cial as it meets the requirements of AS1657.

How to order:1. Select your Rapid Grating 2. Decide on material type and fi nish/coating required.3. Request square bar.

Rapid Grating can be supplied with a 5mm fl oor plate welded to the top. This option is used in applications such as wet areas where water is directed to a specifi c drainage location.

How to order:1. Select your Rapid grating. 2. Decide on material type, and fi nish/coating if required. 3. Request fl oor plate.

100OVERALL = C + 200mm

100

A

BC

DE

10

GRATING

Codes Load Bar Large Car Wheel Load Wheel Load

495kg 130x130

Tyre contact area

2 tonnes ForkliftWheel Load

1865kg 130x140

Tyre contact area

5 tonnes Forklift Wheel Load

1690kg 170x170

Tyre contact area

5 tonnes TruckWheel Load

1690kg 170x170

Tyre contact area

Axle Load9.8 tonnes Dual Wheel each axle end Wheel Load

2450kg 200x200 contact area

14.3 tonnes Dual Wheel each axle end Wheel Load

3580kg 250x200 Tyre contact

area

RDG30-255 25x5 320 - - - - -RDG30-325 32x5 485 180 - 220 180 180RDG30-405 40x5 725 245 - 305 285 285RDG30-455 45x5 900 290 - 365 335 330RDG30-505 50x5 1095 340 285 435 390 380RDG30-555 65x5 1700 530 395 685 590 555

Traffi c Conditions

Nominal WheelLoading (Kg)

ServicesabilityDesign Load (kN)

Ultimate Limit Design Load (kN)

Class A - Extra Light Duty Areas include footways, accessible only to pedestrians and pedal cyclists and closed to other traffi c

330 6.7 10

Class B - Light Duty Areas including footways and light tractor paths accesible to vehicles (excluding commercial vehicles) or livestock

2670 53 80

Class C - Medium Duty Malls and areas open to slow moving commercial traffi c

5000 100 150

Class D - Heavy Duty Carriageways of roads and areas open to commercial vehicles

8000 140 210

A = Clear OpeningB = Grate SizeC = Overall FrameD = Grate DepthE = Frame Depth

RAPID DRAIN GRATESRapid Drainage Grates are available made to order. These drainage grates comply with Australian Standards as follows:

� AS3996-2006 Access covers and grates.

� AS/NZS4680:2006 Hot-dip galvanising.

� AS/NZS 1594/:2002 Hot rolled steel fl at products.

� ISO/IEC17025:2005 Competence of testing and calibration laboratories.

� Weld one side every load bar.

11

PHOTO?

RAPID PACIFIC GROUP

RAPID ACCESSORIES

Rapid Pacifi c Group can off er you various solutions to fi x out grating and fi breglass profi les. Below are options to suit various applications.

Rapid Standard clipThis option is the most common method of securing Rapid grating to the structural supports. Using a minimum of 4 clips per m2, these clips are installed from the top of the grating. Available ex stock galvanised.

Rapid Fibreglass Standard clip This is the most common method of securing Rapid fi breglass grating to the structural supports. Using a minimum of 4 clips per m2, the clips are installed from the top of the fi breglass grating. Clips are ex stock in 316 stainless steel.

12

GRATING

PHOTO?

RAPID FIBREGLASS GRATING Rapid fi breglass grating has many benefi ts that make it an ideal alternative to other fl ooring products.

� Strength Vs weight: Rapid fi breglass grating is light weight yet still retains its ability to evenly distribute applied loads to adjoining bars.

� Safe to use in combustible areas: unlike steel, this product has the valuable attribute of being non sparking, making it ideal for use in areas where accidental sparks may occur.

� Non-magnetic.

� Non conductive.

� Easy to cut on site: using standard cutting tools you can make quick adjustments and or cut to size on site.

� Corrosion resistant.

� No load bar direction required (bi-directional).

Span Kilonewtons(mm) 1 2 4 6 8 1025mm Deep, 38mm Square Mesh 300 - - - - - -450 0.815 1.579 3.172 4.738 6.33 7.922600 1.533 3.055 6.136 9.166 12.246 -900 4.078 8.156 - - - -1200 8.777 - - - - -

Span Kilonewtons(mm) 1 2 4 6 8 1038mm Deep, 38mm Square Mesh 300 - - - - - -450 0.368 0.751 1.54 2.304 3.055 3.845600 0.647 1.333 2.718 4.038 5.385 6.745900 1.489 2.925 5.888 8.842 11.781 -1200 3.301 6.214 12.436 - - -

Rapid Fibreglass Grating is a one mesh pattern utilising a 38x38mm grid and in turn provides an open area of 70%. Thanks to its 6mm thick load bearing bars attribute in both direction this product boasts no load bar direction requirements making it a simple yet versatile fl ooring option.

This product is available in either a 38mm or 25mm thick and can also be supplied as a diamond cover or gritted top when solid/abrasive fl ooring is required.

Resin types:

Green: Provides outstanding corrosion resistance over a large range of chemicals

Yellow: Is the superior option for corrosion resistance to acidic environments And moderate resistance to caustic and solvent applications.

38mm deep grating, normal walking pedestrian loads will span up to 1200mm with a 6mm defl ection.

Mesh pattern: 38x38mm grid70% open area6mm thick

Weight:25mm thick: 52kg38mm thick: 83kg

In a hurry? Stock panels available in an industry standard size of 3660 x 1220mm

Diamond Top Cover Gritted Top Cover

13

RAPID PACIFIC GROUP

Rapid Fibreglass Grating treads are made to order and can be manufactured to suit your requirements.

These treads are manufactured with the attributes of a T5 Rapid grating step tread.

Rapid fi breglass grating treads are the perfect solution when the treads are required to be

� Corrosion resistant

� Strong

� Fire resistant

� Light weight

RAPID FIBREGLASS STEP TREADSWHEN ORDERING STEP TREADS THE FOLLOWING INFORMATION IS REQUIRED

� Tread size

� Quantity required

14

GRATING

D

LOADBAR LENGTH = ±6mm

D1 = D ± 6mm

WID

TH (W

) =

± 6

mm

W1

= W

± 6

mm

LENGTH = +0mm, —3mm

WID

TH (W

) =

± 3

mm

PANEL LENGTH

PAN

EL W

IDTH

PAN

EL W

IDTH

10m

m N

OM

INA

L GA

P

10mm NOMINAL GAP CUTOUT TAKEN TO NEAREST LOADBAR

RADIUS CUTOUTS TO HAVE MINIMUM 25mm CLEARANCE

PANEL LENGTH

LOADBARS

LOADBARS

1mm PER 100mm OF WIDTH

1mm PER 200mm OF WIDTH

±5mm CROSSBARS BOW

10mm NOMINAL

10mm NOMINAL

LOADBARS (TYPICAL)

LOADBARS (TYPICAL)

25mm BOARING MINIMUM (TYPICAL)

25mm BOARING MINIMUM (TYPICAL)

10mm NOMINAL10mm NOMINAL

100m

m M

INIM

UM

100m

m M

INIM

UM

10mm 10mm

KICKPLATE

KICKPLATE

10mm NOMINAL

10mm NOMINAL

ANGLE THICKNESS

10mm NOMINAL

15mm NOMINAL

FABRICATION WELDING

Edge bars and attachments are welded with a minimum 3mm fi llet weld to one side of :

� Every 5th load bar on R30.

� Every 4th load bar on R40.

� Every 3rd load bar on R60.

25m

m

1mm

GRATING TOLERANCES

OVERALL DIMENSIONS

END FLAT LEAN

LONGITUDINAL BOW

TRANSVERSE BOW

CROSS BARS SPACING & ALIGNMENT

15

RAPID PACIFIC GROUP

CTRS

No

12

34

56

78

910

1112

1314

1516

1718

1920

2122

2324

2526

2728

2930

3132

33

Wid

th a

t loa

dbar

3565

9512

515

518

521

524

527

530

533

536

539

542

545

548

551

554

557

560

563

566

569

572

575

578

581

584

587

590

593

596

599

5

125

(Wid

e Tr

ead)

6o

f

155

5o

f

185

4o

f

215

4o

f

245

3o

f

275

3o

f

305

3o

f

CTRS

No

12

34

56

78

910

1112

1314

1516

1718

1920

2122

2324

25

Wid

th a

t loa

dbar

4585

125

165

205

245

285

325

365

405

445

485

525

565

605

645

685

725

765

805

845

885

925

965

1005

125

(Wid

e Tr

ead)

6o

f

165

5o

f

205

4o

f

245

3o

f

285

3o

f

CTRS

No

12

34

56

78

910

1112

1314

1516

Wid

th a

t loa

dbar

6512

518

524

530

536

542

548

554

560

566

572

578

584

590

596

5

125

(Wid

e Tr

ead)

5o

f

185

4o

f

245

3o

f

305

2o

f

LOA

D BA

R S

PACI

NG

CHA

RT

R30

R40

R60B

TOWNSVILLEP. (07) 4766 87 40F. (07) 4789 4851

54-62 Enterprise Street, Bohle QLD 4818

MELBOURNEP. (03) 8405 3609F. (03) 9401 [email protected]

71 Yale Drive, Epping VIC 3076

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Unit 4, 17 Moorlands Road, Ingleburn NSW 2565

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